Fascination About sex

Sperm gets transported by way of a 4-portion duct system. The 1st Section of this system would be the epididymis. The testicles converge to kind the seminiferous tubules, coiled tubes at the top and back again of each testicle. The next Element of the duct program may be the vas deferens, a muscular
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15